Suttle Lake Trailfest
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Suttle Lake Trailfest : October 25-26, 2025, Sisters, OR
Suttle Lake Trailfest is a timed trail event held around Suttle Lake with three race formats. The event offers:
- 24-hour
- 12-hour
- 6-hour
Free camping is available at South Shore Campground. Meals will be provided by ETA Catering. A warming tent will be on site. Pacers are allowed at the halfway point for each race: at 12 hours for the 24-hour event, at 6 hours for the 12-hour event, and at 3 hours for the 6-hour event.
Course, aid, and policies
The course is a 3.6-mile loop with about 110 ft of elevation gain per loop. The trail is described as well-maintained and non-technical, with a soft forest floor and occasional exposed roots. One aid station is located at the start/finish area and will offer sweet and salty snacks, water, soda, electrolyte drink, gels, and warm food items. Runners may set up a personal aid station nearby. Total mileage is calculated by completed loops.
Registration transfers are not allowed. Cancellations more than 30 days before the race receive a 50% credit toward the same event next year; cancellations 30 days or less before the race receive no credit, refund, or transfer. If the organizer must cancel and cannot reschedule, refunds or credits will not be given. Visit the organization's website for the most recent information.